Photovoltaic DC energy efficiency management system

An energy efficiency management and photovoltaic technology, which is applied in the field of photovoltaic DC energy efficiency management system to achieve the effect of improving power supply quality, reducing power pollution, and improving power application efficiency

Inactive Publication Date: 2016-04-27
WUHAN ENERGY ELECTRONCIS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The technical problem to be solved by the embodiments of the present invention is that the output of the current photovoltaic power generation system is alternating current, and the power supply of the load comes from one of photovoltaic power generation and grid power supply, and these two power supply systems cannot form a redundant power supply relationship for mutual backup. situation, a photovoltaic DC energy efficiency management system is proposed

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  • Photovoltaic DC energy efficiency management system
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  • Photovoltaic DC energy efficiency management system

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[0015] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0016] See figure 1 , figure 1 It is the circuit diagram of the photovoltaic DC energy efficiency management system provided by the present invention. The photovoltaic DC energy efficiency management system includes: a grid circuit 1, a photovoltaic circuit 2, an energy storage component circuit 3, and a controller 4.

[0017] One end of the power grid circuit 1 is connected to an external power grid, and the other end is connected to an exte

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Abstract

The embodiment of the invention discloses a photovoltaic DC energy efficiency management system. The photovoltaic DC energy efficiency management system is characterized by comprising a network circuit, a photovoltaic circuit, an energy storage component circuit and a controller, wherein the network circuit comprises an EMI filter, a rectifier diode, an inductor L1, a capacitor C1 and a diode; the photovoltaic circuit comprises a solar output unit and a diode D2; the energy storage component circuit comprises an energy storage component and a charge-discharge management unit; andthe controller is connected with the solar output unit, the charge-discharge management unit and an external load. Through implementation of the photovoltaic DC energy efficiency management system, the photovoltaic DC energy efficiency management system has the beneficial effects that energy efficiency management by a DC power supply mode is provided for the first time; the power supply quality is improved; power pollution is reduced; and the electric energy utilization efficiency is improved. Network power supply, photovoltaic power generation and an energy storage component form power supply parts of the system, and mutually backup; the system carries out classified management on different loads; electric energy can be efficiently and reasonably distributed; and the overall system can be remotely monitored.

Description

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Claims

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Application Information

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Owner WUHAN ENERGY ELECTRONCIS CO LTD
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